code: def _is_in_ci():
      ci_name = os.environ.get("CUPY_CI", "")
      return ci_name != ""
  
file_path: cupy/tests/conftest.py
imports: import collections
  import os
  import subprocess
  import sys
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: _is_in_ci() and returns: unknown